JP2020045223A - Seismic control device of mobile rack - Google Patents

Abstract

To provide a seismic control device for mobile rack which surely actuates at the time of earthquake occurrence, and prevents runaway and overturn of the mobile rack.SOLUTION: A seismic control device for mobile rack includes a pivot 23 supported by a mobile rack 2, a rotation force transmission mechanism 40 which transmits power between the pivot 23 and wheels 13 for travel, a rotation suppression mechanism 25 which suppresses rotation of the pivot 23, a regulated member 26 which is rotated integrally with the rotation suppression mechanism 25, regulation members 30 and 84 which are engaged and separated to/from the regulated member 26 and make the rotation in a stop state and a non-stop state, and a regulation member operation mechanism 50 which engages and separates the regulation members 30 and 84 to/from the regulated member 26, in which the regulation member operation mechanism 50 includes a lever part 51, an energization member 56 which regulates the lever part 51 in a direction that is always separated from a handle part 11, and regulation member operation parts 60 and 80 which make the regulation member 30 and the regulated member 26 in an engagement state in the actuation state of the lever part 51, and make the regulation members 30 and 84 and the regulated member 26 in an engagement release state in a non-actuation state of the lever part 51; and surely actuates at the time of earthquake occurrence.SELECTED DRAWING: Figure 3

Description

  The present invention reliably controls the movement of the movable shelf due to the shaking of the earthquake when an earthquake occurs, prevents runaway and fall of the movable shelf, prevents the movable shelf from colliding with the user, and prevents the movable shelf from colliding with the user. The present invention relates to a vibration control device for a movable shelf, which can prevent a user in the portable shelf from being caught by the movable shelf and prevent the stored items from falling.

  DESCRIPTION OF RELATED ART Conventionally, as a moving shelf control device which prevents falling of a moving shelf at the time of an earthquake occurrence and a person being pinched between moving shelves, there exists a thing as shown in patent document 1.

In this seismic control device, when an earthquake occurs, the vibration is detected by the vibration detecting means, the locked state is released by the lock mechanism, resistance to the rotation of the traveling wheels is applied to brake the movement of the movable shelf, and runaway or Fall is prevented.
In such a vibration control device of a moving shelf, depending on the magnitude of the shaking of the earthquake or the direction of the vibration, the vibration detecting means does not operate and the locked state is not released, or a resistance device that applies the resistance of the traveling wheel is used. For example, the mobile shelf is not moved to the abutment position, the vibration control device does not operate, the movement of the mobile shelf due to the shaking of the earthquake is not controlled, and the mobile shelf may run away and fall.

Japanese Patent No. 3541365

  The present invention relates to a vibration control device for a mobile shelf that can reliably operate a vibration control device when an earthquake occurs, control the movement of the mobile shelf due to the shaking of the earthquake, and reliably prevent runaway and fall of the mobile shelf. It is to provide.

The present invention has an object to solve the above-described problems, in a vibration control device of a movable shelf that includes a handle portion provided on a surface on a passage side and a traveling wheel and moves on a traveling rail laid on a floor. ,
A pivot pivotally supported by the movable shelf;
A rotational force transmission mechanism that transmits power between the pivot and the traveling wheel,
A rotation suppressing mechanism attached to the pivot, for suppressing rotation of the pivot,
A regulated member attached to the rotation suppressing mechanism and rotating integrally with the rotation suppressing mechanism;
A regulating member that engages with or disengages from the regulated member and sets the rotation of the regulated member to a stopped state or a non-stop state;
A regulating member operating mechanism for engaging and disengaging the regulating member with the regulated member,
The regulating member operation mechanism includes:
A lever portion provided on the handle portion,
An urging member for urging the lever portion in a direction always away from the handle portion,
In the operating state of the lever portion, the regulating member and the regulated member are engaged with each other, and in the non-operating state of the lever portion, the regulating member and the regulated member are disengaged. And a regulating member operating section.

  Since the present invention is configured as described above, when the user removes his / her hand from the handle portion, the lever portion attached to the handle portion is automatically inactivated, and the regulating member is operated by the regulating member operating mechanism. The restricted members are engaged, and the rotation of the traveling wheels is suppressed by the rotation suppression mechanism, so that the vibration control device operates reliably when an earthquake occurs and controls the movement of the mobile shelf caused by the shaking of the earthquake In addition, runaway and fall of the movable shelf can be reliably prevented, and at the time of moving the movable shelf, the handle and the lever are deactivated, and the regulating member operating mechanism engages with the regulating member and the regulated member. Is released, and the rotation suppressing mechanism rotates with the rotation of the pivot, and the rotation of the traveling wheel is not suppressed. Therefore, when the moving shelf is moved, it can be moved smoothly without feeling resistance. .

  In a preferred embodiment of the present invention, the rotation suppressing mechanism includes a case in which oil is filled, the case is fixed to the regulated member, and rotates integrally, and a case is housed in the case and rotates integrally with the pivot. It is a rotary damper provided with a moving rotor.

  According to this embodiment, a rotation suppressing mechanism for suppressing the movement of the movable shelf. By using an oil-type rotary damper, it is possible to set an appropriate braking force, and it is also possible to suppress deterioration due to use frequency and aging, and when the design of the movable shelf changes, the weight and size of the movable shelf By replacing the rotary damper with this, it is possible to easily respond to the braking force required by the moving shelf, and in the event of an earthquake, control the movement of the moving shelf to prevent runaway and falling, and use the moving shelf. It is possible to prevent a collision with the user and the user from being caught by the movable shelf, and to surely prevent the storage items from falling.

  In a preferred embodiment of the present invention, the regulated member is a disk-shaped member having a plurality of convex portions on a peripheral edge, and a center of rotation coincides with a center of rotation of the pivot.

  According to this embodiment, since the regulated member is a disk-shaped member and has a plurality of convex portions on the periphery, the regulated member can be reliably engaged.

  In a preferred embodiment of the present invention, the regulating member has a short arm portion and a long arm portion extending at an angle to the short arm portion, and the long arm portion faces the disc-shaped member. A hook member having a protruding engaging projection, wherein the hook member is adjacent to the disc-shaped member, and the short arm portion is more pivotal than the long arm portion in the left-right direction in the axial view of the pivot. The swing arm is swingably supported at a connection portion between the short arm and the long arm so that the top surface of the short arm is pressed by the restricting member operating portion in an operating state of the lever. The hook member and the convex portion of the disc-shaped member are disengaged, and in a non-operating state of the lever portion, the pressing of the short arm portion on the top surface by the regulating member operation portion is released, A state in which the hook member and the protrusion of the disc-shaped member can be engaged. It is.

  According to this embodiment, since the hook member rotates by its own weight and engages with the convex portion of the disc-shaped member, the vibration damping device can be reliably operated.

In a preferred embodiment of the present invention, the regulating member is a plate-like member,
In the operating state of the lever portion, the plate-shaped member is moved in a direction away from the disc-shaped member by the regulating member operating portion, and the engagement between the regulating member and the convex portion of the regulated member is released. ,
In a non-operating state of the lever portion, the plate-shaped member is moved in a direction approaching the disk-shaped member by the regulating member operation portion, and the plate-shaped member and the disk-shaped member are brought into an engageable state. You.

  According to this embodiment, by using a plate-like member as the regulating member, it is possible to reliably control the movement of the movable shelf due to the shaking of the earthquake with a simple configuration.

  In a preferred embodiment of the present invention, the regulating member operation section includes a link member that swings by movement of the lever portion in a direction to move toward and away from the handle portion, and the regulated member that swings according to the swing of the link member. A regulating member operating member for causing the member and the regulating member to be in an engageable state and a disengaged state;

  According to this embodiment, with a simple configuration, the regulated member and the regulating member can be brought into the engageable state and the disengaged state by the operation / non-operation state of the lever portion, and a general This damping device can be easily applied to a moving shelf.

  ADVANTAGE OF THE INVENTION The damping device of the moving shelf of this invention can operate a damping device reliably at the time of an earthquake, control the movement of the moving shelf by the shaking of an earthquake, and can prevent the runaway and fall of a moving shelf reliably. .

It is a perspective view of a mobile shelf device provided with a vibration control device concerning a 1st embodiment of the present invention. It is the figure seen from the frontage surface of the mobile shelf apparatus of FIG. 1, and the lower part of the mobile shelf apparatus is the cut-away figure which cut | disconnected the driving | running | working wheel, an axle, a bearing member, and a running rail. It is a principal part expansion perspective view in the state which omitted the side plate of the unit moving shelf. It is the disassembled perspective view which showed the structure of the vibration control device. It is an exploded perspective view of a rotary damper and a disk. It is the principal part enlarged longitudinal sectional view which cut some vibration control units. It is the principal part sectional drawing and side surface of the handle part vicinity of the unit movable shelf in the vibration control state of the vibration control device. It is a principal part sectional view and side surface of the vicinity of the handle part of the unit movable shelf in the seismic control release state of the vibration control device. It is a principal part enlarged front view of the vibration control unit in the vibration control state of the vibration control device. It is an important section enlarged front view of a vibration control unit in a vibration control cancellation state of a vibration control device. It is the principal part sectional view near the handle | steering-wheel part of the unit moving shelf in the vibration control state of the vibration control device of 2nd Embodiment of this invention, and a side view. FIG. 12 is a cross-sectional view and a side view of a main part near a handle portion of a unit moving shelf in a vibration control released state of the vibration control device of FIG. 11. It is a principal part enlarged front view of the vibration control unit in the vibration control state of the vibration control device of FIG. It is a principal part enlarged front view of the vibration control unit in the vibration control release state of the vibration control device of FIG. FIG. 12 is an enlarged vertical sectional view of a main part of the vibration damping device of FIG.

  A mobile shelf vibration control device 20 according to an embodiment of the present invention will be described with reference to FIGS.

  FIG. 1 is a perspective view of a moving shelf device 1 to which a moving shelf vibration damping device 20 according to a first embodiment of the present invention is applied. The moving shelf device 1 includes a plurality of unit moving shelves 2 and a plurality of traveling rails 19 on which the unit moving shelves 2 travel. The unit moving shelf 2 has a front face 3 for storing articles on both sides, and a plurality of traveling rails 19 are laid on a floor 18 in parallel with the front face 3 at right angles. In the present embodiment, the up, down, left, right, front, and back are defined based on a state in which the movable shelf device 1 is viewed from the aisle side of the movable shelf device 1, and the aisle side is the near side, and the movable shelf side is the depth side. It is defined and explained. Although the unit moving shelves 2 of the moving shelf device 1 of the present embodiment are all provided with the front face 3 on both sides, a unit moving shelf having the front face 3 provided on only one side may be used.

  As shown in FIGS. 1 and 2, the unit movable shelf 2 has a plurality of columns 5 erected at predetermined intervals in the width direction on a long frame 4 in the width direction perpendicular to the traveling direction. The top plate 6 is erected at the upper end of the pillar 5 to form a frame. Two braces 7 are attached between the columns 5 for reinforcement, as viewed obliquely from the frontage surface. As shown in FIG. 1, the shelf 5 is fixed by being hooked in a not-shown hole in the column 5, and a shelf 9 is placed between the shelf receivers 8 so that articles can be stored. Has become. Multi-stage shelves 9 are supported by the pillars 5 to form a plurality of shelf booths. Side plates 10 are attached to the left and right pillars 5 so as to cover the outside. At a substantially center of the side plate, a handle portion 11 for holding the user and moving the unit moving shelf 2 is attached.

  As shown in FIGS. 2 and 3, on the lower surface of the underframe 4, a pair of bearings 4 a, which are located substantially between the centers of the left and right columns 5 in the left-right direction, respectively, are provided vertically. The axles 12 are rotatably supported by the bearings 4a so as to be oriented in the left-right width direction and are provided in two front and rear rows. A running wheel 13 is fitted to the axle 12 between the bearings 4a facing each other. An axle sprocket 41 is attached to each end of the pair of axles 12 on the main passage side so as to rotate integrally with the axle 12.

  As shown in FIG. 3, when an earthquake shaking occurs, the mobile shelf device 1 slows down the rotation of the traveling wheels 13 with an appropriate brake applied to the traveling wheels 13, and A vibration damping device 20 is provided inside the side plate 10 for each unit moving shelf 2 so as to control the movement speed to control the vibration.

  The vibration damping device 20 includes a vibration damping unit 21 for suppressing the movement of the unit moving shelf, a rotational force transmitting mechanism 40 for transmitting a rotational force between a pivot 23 provided on the vibration damping unit 21 and the traveling wheels 13, and a unit moving shelf. And a regulating member operating mechanism 50 that is operated by a lever 51 provided inside the second handle 11 to operate the vibration control unit 21 in a vibration control state or a vibration control release state.

  Between the two pillars 5 inside the side plate on the passage side, a vibration damping unit 21 constituting the vibration damping device 20 is attached. As shown in FIG. 4, the vibration control unit 21 supports a vibration control unit bracket 22 attached to the column 5 of the unit moving shelf 2, a pivot 23, and the pivot 23 mounted on the vibration control unit bracket 22 so as to rotate freely. A pair of bearings 24, a rotary damper 25 as a rotation suppressing mechanism for suppressing the rotational force of the pivot 23, a disk 26 as a regulated member fixed to the rotary damper 25 and integrally rotated, and a disk 26 A pair of clutch hooks 30 are provided as engagement / disengagement restriction members. The vibration damping unit 21 sets the rotation of the disk 26 to a stopped state or a non-stop state by engaging and disengaging a pair of clutch hooks 30 with the disk 26, thereby setting the vibration control function to an operating state and a non-operating state. Things.

  The vibration control unit bracket 22 is formed by bending a metal plate into a predetermined shape. The main plate portion 22a of the vibration control unit bracket 22 attached to the two columns 5 on the passage side is a rectangular flat plate, and the upper portion of the main plate portion 22a is sandwiched between a pair of columns 5 over a predetermined width. So that the upper surface portion 22b is bent to the depth side. The connecting rod 63 of the regulating member operation mechanism 50 described later is inserted into the upper surface part 22b, and a guide hole 22c for guiding the connecting rod 63 is formed.

  A circular hole 22d is formed substantially at the center of the main plate portion 22a, and a cylindrical member 22e is fixed to the circular hole 22d at right angles to the main plate portion 22a so as to protrude from the back surface. A pair of bearings 24 that rotatably support the pivot 23 are mounted inside the cylindrical member 22e.

  Further, the main plate portion 22a is positioned above the circular hole 22d, and is at right angles to the main plate portion 22a and inward so as to be substantially equidistant from the center point of the circular hole 22d. A support shaft 22f is provided upright. Bolt holes 22g into which the bolts 27 are inserted are provided at the four corners of the main plate portion 22a. The bolts 27 inserted through the bolt holes 22g are screwed into the columns 5, and the vibration control unit bracket 22 is mounted on the unit movable shelf. 2 attached.

  A pivot 23 is pivotally supported on the vibration damping unit bracket 22 via a bearing 24. A pivot sprocket 42 is fixed to the outer end 23a on the passage side of the pivot 23 so as to rotate integrally.

  As shown in FIG. 3, a rotational force transmission chain 43 for transmitting rotational force is bridged between the pivot sprocket 42 and the pair of axle sprockets 41. The rotational force transmitting mechanism 40 for transmitting the rotational force between the pivot 23 and the traveling wheel 13 includes an axle sprocket 41, a pivot sprocket 42, and a rotational force transmission chain 43. The rotational force transmitting mechanism 40 transmits the rotational force of the pivot 23 and the traveling wheel 13 to each other, and rotates at the same time. The torque transmitting mechanism 40 of the present embodiment is configured by a torque transmitting chain wound around an axle sprocket 41 and a pivot axis sprocket 42, and the rotational force between the pivot 23 and the traveling wheels 13 is provided. Is transmitted, it is not limited to the chain, and may be constituted by, for example, a plurality of meshing gears.

  As shown in FIG. 5, the rotary damper 25 includes a case 25a and a rotor 25b. The rotor 25b is covered with a case 25a, and the space between the case 25a and the rotor 25b is filled with oil such as silicon oil. The rotation of the rotor 25b is reduced by the viscosity of the oil, and the rotary damper 25 performs a damper function. The rotor 25b of the rotary damper 25 has a square center hole 25d at its rotation center. As shown in FIG. 4, an inner end 23b having a square cross section of the pivot 23 is fitted into a central hole 25d of the rotor 25b, and is fixed with a screw 29 via a washer 28. They rotate together.

  The disk 26 is a disk-shaped member, and has a center hole 26b in which the rotary damper 25 is fitted at the center of the disk-shaped main body 26a. As shown in FIG. 4, the center of rotation C2 of the disk 26 coincides with the center of rotation of the pivot 23 and C1. On the peripheral edge of the main body 26a, convex portions 26c protruding at equal intervals in the radial direction are formed. The protrusion 26c protrudes from the periphery of the main body 26a by a predetermined distance, and the tip thereof is formed in a substantially semicircular shape when the disk 26 is viewed in the rotation axis direction. In the present embodiment, five protrusions 26c are provided at equal intervals in the circumferential direction.

  The rotary damper 25 is fitted in the center hole 26b of the disk 26. The mounting piece 25c of the case 25a of the rotary damper 25 and the disk 26 are fixed by bolts 27, and the case 25a and the disk 26 rotate integrally.

  As shown in FIGS. 4, 9 and 10, the pair of clutch hooks 30 are disposed on the left and right with the pivot 23 interposed therebetween. The clutch hook 30 is a plate-like member, and is formed in a substantially L-shape including a long arm portion 30a and a short arm portion 30b. A tubular portion 30c is formed at a connection portion between the long arm portion 30a and the short arm portion 30b and projects from the front and back surfaces of the clutch hook by a predetermined length and serves as a spacer. The inside of the cylindrical portion 30c is an insertion hole 30d through which the hook member support shaft 22f of the vibration damping unit bracket 22 is inserted.

  The hook member support shaft 22f of the vibration damping unit bracket 22 is inserted into the insertion hole 30d of the clutch hook 30, and the clip 32 is attached to the end of the hook member support shaft 22f. It is movably supported. In the vicinity of the distal end of the long arm portion 30a of the clutch hook 30, an engagement pin 30e that engages with the convex portion 26c of the disk 26 disk 26 protrudes from the surface of the clutch hook 30 on the disk 26 side. As shown in FIG. 9, the clutch hook 30 is disposed adjacent to the disk 26 such that the short arm 30b is closer to the pivot 23 than the long arm 30a in the left-right direction when viewed from the axis of the pivot 23. ing.

  Since the clutch hook 30 is swingably supported by the hook member support shaft 22f of the vibration damping unit bracket, when the long arm 30a swings downward as shown in FIG. The pin 30e moves inward of the center of rotation of the disk 26 from the tip of the convex portion 26c of the disk 26, and the engaging pin 30e and the convex portion 26c can be engaged. The pin 30e and the projection 26c are engaged with each other, and are brought into the engaged state.

  As shown in FIG. 10, when the long arm 30a swings outward, the engaging pin 30e of the clutch hook 30 moves outward from the tip of the convex portion 26c of the disk 26 beyond the rotation center of the disk 26. Thus, the engagement between the engagement pin 30e and the projection 26c is released.

  As shown in FIG. 3, the vibration damping device 20 operates the clutch hook 30 in order to bring the clutch hook 30 as the regulating member and the disc 26 as the regulated member into the engaged state and the disengaged state. A regulating member operation mechanism 50 is provided. The restricting member operating mechanism 50 includes a lever 51 provided inside the handle 11 and a restricting member operating unit 60 that operates the clutch hook 30 as a restricting member by operating the lever 51.

  As shown in FIGS. 7 and 8, the handle portion 11 includes a pair of upper and lower bases 11 a erected at right angles to the side plate 10 of the unit moving shelf 2, and a side plate 10 so as to connect these bases 11 a. Is formed at a predetermined distance from the holding portion 11b. A bolt hole 11c into which the shaft 52b of the bolt 52 is inserted is formed near the upper and lower bases 11a of the gripper 11b. The depth side of the bolt hole 11c is a sliding portion 11d having substantially the same diameter as the bolt 52 and formed so that the bolt 52 can slide forward and backward. The front side of the bolt hole 11c is an enlarged portion 11e having a diameter larger than that of the sliding portion 11d, so that the head 52a of the bolt 52 is accommodated. Between the sliding portion 11d and the enlarged diameter portion 11e is a bottom surface 11f of the enlarged diameter portion 11e. The depth of the enlarged diameter portion 11e is formed to be deeper than the height of the head 52a of the bolt 52. When the bolt 52 moves to the depth side by a predetermined distance, the further movement of the bolt 52 to the depth side is restricted by the bottom surface 11f.

  On the side plate 10 side of the handle portion 11, a lever portion 51 is provided. The lever portion 51 is provided with a grip portion 51a facing the grip portion 11b of the lever portion 51, and a pair of side plate portions 51b on both sides of the grip portion 51a, and is bent so that a top view becomes a U-shape. It is formed.

  The grip portion 51a of the lever portion 51 has a pair of bolt holes 51c through which the bolts 52 are inserted. A spring 56 as an urging member is wound around a shaft portion 52b of the bolt 52 inserted into the bolt hole 11c of the handle portion 11 between the handle portion 11 and the lever portion 51. The lever portion 51 is urged by a spring 56 in a direction away from the handle portion 11.

  The pair of bolts 52 having the springs 56 attached to the bolt holes 51c of the lever portion 51 are inserted into the bolt holes 51c of the lever portion 51, and the end surface of the side plate portion 51b of the lever portion 51 on the handle portion 11 side, It is fixed by a nut 53 at a position where there is a predetermined distance from the inner surface of the handle portion 11. Then, after the tip 52c of each bolt 52 is inserted into the bolt hole 10a of the side plate 10, the plate-shaped lever bracket 54 is sandwiched between the bolts 52 and attached. The lever bracket 54 includes a substantially square plate-shaped main body 54a, and one side of the main body 54a is bent, so that a bracket side arm 61a of a link member 61 of a regulating member operation unit 60 described later is rotatable. A link member connecting portion 54b to be connected to is formed.

  As shown in FIG. 3, the regulating member operation section 60 operates the clutch hook 30 as a regulating member, and includes a link member 61, a support shaft 62 supporting the link member 61, a link member 61, a clutch hook And a connecting rod 63 for connecting the link member 61 and the pressing piece 64 to each other.

  A support shaft 62 that swingably supports the link member 61 is attached between the pair of columns 5. The link member 61 is formed in an L-shape, and a bracket-side arm portion 61a of one arm of the link member 61 is rotatably connected to a link member connecting portion 54b of the lever bracket 54. The connecting rod side arm portion 61b of the other arm of the link member 61 is rotatably connected to the upper end portion 63a of the connecting rod 63. A pressing piece 64 is fixed to the lower end 63b of the connecting rod 63.

  As shown in FIGS. 3 and 6, the connecting rod 63 is inserted into a guide hole 22 c provided in the upper surface portion 22 b of the vibration control unit bracket 22. The connecting rod 63 is guided by the guide hole 22c, and can move up and down at a predetermined position where the pressing piece 64 can press the upper surface of the short arm portion 30b of the clutch hook.

  Since the vibration damping device 20 is configured as described above, it operates as follows.

  In a non-operation state in which the handle portion 11 of the unit transfer shelf 2 is not gripped by the user and the lever portion 51 is not operated, as shown in FIG. No force is applied, and the lever portion 51 is positioned in a direction away from the handle portion 11 by the urging force of the spring 56. In the inoperative state of the lever portion 51, the link member 61 is configured such that the bracket side arm portion 61a is directed substantially vertically from the support shaft 62, and the connecting rod side arm portion 61b is directed horizontally from the support shaft 62. I'm ready.

  In the non-operation state of the lever portion 51, as shown in FIG. 9, the pressing piece 64 fixed to the connecting rod 63 presses the upper surface of the short arm portion 30b of the clutch hook 30 by being positioned upward. However, the clutch hook 30 is in a state where it does not receive a load from the outside. Then, the long arm 30a of the clutch hook 30 is lowered by its own weight, and the clutch hook 30 swings around the hook member support shaft 22f in the direction in which the long arm 30a approaches the disk 26, so that the clutch hook 30 is engaged. The pin 30e is moved inward with respect to the rotation axis of the disk 26 from the tip of the convex portion 26c of the disk 26, and the engagement pin 30e and the convex portion 26c can be engaged.

  In this state, when an earthquake occurs and an external force is applied to the unit moving shelf 2, the traveling wheels 13 rotate and the axle 12 starts rotating, and the rotation of the axle 12 is transmitted to the pivot 23 by the rotational force transmission mechanism 40. Is done. When the rotation of the pivot 23 starts, the rotor 25b of the rotary damper 25 connected to the pivot 23 rotates.

  The case 25a of the rotary damper 25 follows the rotor 25b due to the viscosity of the oil, and the disk 26 fixed to the case 25a also rotates, and when the projection 26c of the disk 26 and the engaging pin 30e of the clutch hook 30 come into contact with each other. These are engaged to be in the engaged state, and the rotation of the disk 26 is restricted.

  When the pivot 23 rotates in such a state, the rotor 25b of the rotary damper 25 rotates integrally with the pivot 23. However, since the case 25a of the rotary damper 25 is fixed to the disk 26, the rotation is restricted and the rotor 25b The rotation of the pivot 23 is suppressed by the viscosity of the oil filled between the case 25a and the case 25a, and the damper function is activated.

  When the user grips the handle portion 11 to move the unit moving shelf 2, the lever portion 51 attached to the inside of the handle portion 11 is also gripped, and the lever portion 51 is activated. As shown in FIG. 8, the lever portion 51 moves in the direction approaching the handle portion 11 against the urging force of the spring 56, and the bolt 52 slides in the sliding portion 11d of the bolt hole 11c of the handle portion 11. As a result, the damping unit bracket 22 is also moved to the passage side. When the lever portion 51 moves to the passage side for a predetermined distance, the side plate portion 51b of the lever portion 51 comes into contact with the inner wall surface 11g of the handle portion 11, and the lever portion 51 does not move any further.

  When the vibration damping unit bracket is moved, the link member 61 swings about the support shaft 62, and the bracket side arm 61a swings forward and upward. The hole (not shown) for connecting to the bracket side arm portion 61a provided on the link member connecting portion 54b of the lever bracket 54 is formed as an elongated hole extending in the vertical direction, so that the lever bracket 54 is provided only on the passage side. The movement does not hinder the upward movement of the bracket-side arm 61a. The connecting rod-side arm portion 61b of the link member 61 swings downward, and the connecting rod 63 moves downward.

  When the connecting rod 63 moves downward, the pressing piece 64 presses the top surface of the short arm portion 30b of the clutch hook 30, as shown in FIG. The tip of the long arm 30a is opened outward with respect to the pivot 23, and the engagement pin 30e moves outward with respect to the rotation axis of the disc 26 from the tip of the projection 26c of the disc 26. The engagement pin 30e is in the engagement release state where the engagement pin 30e cannot engage with the projection 26c.

  When the user moves the unit moving shelf 2 in this disengaged state, the disc 26 and the clutch hook 30 are disengaged even if the pivot 23 rotates according to the rotation of the traveling wheels 13. Since the case 25a and the case 25a of the rotary damper 25 rotate together according to the pivot 23, the rotation suppression function of the rotary damper 25 does not work and the vibration is released, so that the unit moving shelf 2 can be moved smoothly. it can.

  Further, when the user stops the unit moving shelf 2 at a desired position and releases his / her hand from the handle 11, the lever 51 automatically moves to the normal state by the urging force of the spring 56. Thus, the disk 26 and the clutch hook 30 are engaged, and the vibration damping device 20 is in the vibration-damping state without the need for the operation of (1).

  Since the moving shelf vibration damping device 20 according to the embodiment of the present invention is configured as described above, the following effects can be obtained.

  The moving shelf vibration damping device 20 of the present embodiment includes a handle portion 11 provided on a passage side surface and a traveling wheel 13 and moves on a traveling rail 19 laid on a floor 18. In the first vibration damping device 20, a pivot 23 rotatably supported on the unit moving shelf 2, a rotational force transmission mechanism 40 for transmitting power between the pivot 23 and the traveling wheel 13, and a pivot 23. A rotary damper 25 that is attached and serves as a rotation suppressing mechanism that suppresses rotation of the pivot 23, a disk 26 that is attached to the rotary damper 25 and rotates integrally, and engages and disengages with the disk 26 to rotate the disk 26. A clutch hook 30 as a regulating member for stopping the movement and a non-stopping state, and a regulating member operating mechanism 50 for engaging and disengaging the clutch hook 30 with and from the disc 26.The regulating member operating mechanism 50 includes a handle portion. 11 and the lever 51 The spring 56 that constantly urges the handle portion 11 in a direction away from the handle portion 11 engages the clutch hook 30 and the disc 26 when the lever portion 51 is in operation, and the clutch hook 30 when the lever portion 51 is not in operation. And a restricting member operation unit 60 for disengaging the disc 26 from the engagement state.

  Accordingly, when the user removes his / her hand from the handle portion 11, the lever portion 51 attached to the handle portion 11 becomes inactive, and the lever portion 51 is moved in a direction away from the handle portion 11 by the spring 56, thereby restricting the operation. The clutch hook 30 and the disc 26 are engaged by the member operating mechanism 50, and the rotary damper 25 automatically controls the vibration of the traveling wheel 13 to the vibration-controlled state. It does not need to be set to, and since the vibration control device does not operate after detecting the earthquake tremor, the problem that the vibration control device does not work due to the direction of the earthquake tremble occurs Therefore, when the earthquake occurs, the vibration control device operates reliably, the movement of the movable shelf due to the shaking of the earthquake is controlled, and the runaway and the fall of the movable shelf can be reliably prevented.

  Further, when the user wants to move the unit moving shelf 2, when the user grips the handle portion 11 for movement, the lever portion 51 is simultaneously grasped, so that the user does not need to be conscious. The lever portion 51 is deactivated, the engagement between the clutch hook 30 and the disk 26 is released by the regulating member operation mechanism 50, the rotary damper 25 rotates with the rotation of the pivot 23, and the traveling of the traveling wheel 13 is stopped. Since it is not suppressed, the unit moving shelf 2 can be moved smoothly without feeling resistance.

  Further, as a rotation suppressing mechanism, a rotary provided with a case 25a that is filled with oil therein and fixed to a disk 26 and rotates integrally, and a rotor 25b housed in the case 25a and rotating integrally with the pivot 23. Since the damper 25 is used, it is possible to set an appropriate braking force by using the oil-type rotary damper 25, and it is possible to suppress deterioration due to use frequency and aging. When the earthquake occurs, the braking force required by the unit moving shelf 2 can be easily dealt with by replacing the rotary damper 25 in accordance with the weight and size of the unit moving shelf 2, and the unit can be surely secured in the event of an earthquake. The movement of the movable shelf 2 is controlled to prevent runaway and fall, to prevent the movable shelf 2 from colliding with a user and to prevent the user from being caught between the unit movable shelves 2 and to store items. Can reliably be prevented from falling.

  Further, as the regulated member, a disc-shaped member 26 having a plurality of protrusions 26c on the periphery and having the center of rotation C2 coinciding with the center of rotation C1 of the pivot 23 is used, so that the clutch hook can be securely connected. The 30 engagement pins 30e can be engaged.

  Furthermore, as a restricting member, a short arm portion 30b and a long arm portion 30a extending at an angle to the short arm portion 30b are provided, and the long arm portion 30a has an engaging pin 30e protruding toward the disk 26. A clutch hook 30 provided is used.The clutch hook 30 is short-circuited so that the short arm 30b is closer to the pivot 23 than the long arm 30a in the left-right direction in the axial view of the pivot 23 adjacent to the disk 26. The connecting portion between the arm 30b and the long arm 30a is swingably supported by the hook member support shaft 22f of the vibration damping unit bracket 22, and when the lever 51 is in the operating state, the pressing piece 64 of the regulating member operating portion 60 When the top surface of the short arm portion 30b is pressed, the clutch hook 30 and the disc 26 are disengaged, and when the lever portion 51 is not operated, the short arm portion 30b is pressed by the pressing piece 64 of the regulating member operation portion 60. Of the clutch hook 30 is released. Since 26 and is engageable state, the clutch hook 30 is rotated by its own weight to engage the convex portion 26c of the disk 26, can work reliably vibration control device 20.

  In addition, the restricting member operating section 60 is capable of engaging / disengaging the link member 61 that swings by the movement of the lever section 51 toward and away from the handle section 11, the disc 26 and the clutch hook 30. Since the connecting member 63 which moves up and down in accordance with the swing of the link member 61 and the pressing piece 64 fixed to the tip thereof are provided as the regulating member operating member, the operating state and the non-operating state of the lever portion 51 are simple. Thus, the disk 26 and the clutch hook 30 can be brought into the engageable state / disengaged state, and can be easily applied to the general movable shelf device 1.

  Next, a mobile shelf vibration control device 69 according to a second embodiment of the present invention will be described with reference to FIGS. The same members as in the first embodiment will be described with the same reference numerals.

  In the moving shelf vibration damping device 69 according to the second embodiment, a plate-shaped regulating member 84 as shown in FIGS. 13 to 15 is used as the regulating member that engages / disengages the disk 26 as the regulated member. Used. The plate-shaped regulating member 84 is a substantially rectangular plate-shaped member having a predetermined thickness, and is slidably inserted in a guide hole 71c formed in an upper surface 71b of the vibration damping unit bracket 71 in a vertical direction.

  Further, as shown in FIGS. 11 and 12, the link member 81 of the restricting member operation unit 80 is opposite to the direction of the link member 61 of the first embodiment, when the lever 51 is in the non-operating state. The arm 81a on the bracket side of the link member 81 is substantially upwardly directed from the support shaft 82, and the arm 81b on the connecting rod side is horizontally oriented from the support shaft 82.

  Since the vibration damping device 69 is configured as described above, when the lever portion 51 is in the non-operating state, the connecting rod 83 moves downward as shown in FIG. Then, the plate-shaped regulating member 84 is moved toward the center of the disk 26 from the vertex of the convex portion 26c of the disk 26, the disk 26 and the plate-shaped regulating member 84 are engaged, and the vibration damping device 69 is in the vibration-damped state. Become.

  When the user grips the handle portion 11 to move the unit moving shelf 2, the lever portion 51 is gripped together with the handle portion 11, and the lever portion 51 is activated, and as shown in FIG. The side arm portion 81b moves upward, and as shown in FIG. 14, the plate-shaped regulating member 84 is moved outward from the center of the disk 26 from the vertex of the convex portion 26c of the disk 26, The plate-shaped regulating member 84 is in the disengaged state, and the vibration damping device 69 is in the vibration-disengaged state.

  In the second embodiment of the present invention, a plate-shaped regulating member 84 is used as the regulating member, and in the operating state of the lever 51, the plate-shaped regulating member 84 is linked to the link member 81 of the regulating member operating section 80 and the connecting rod 83. It is moved in a direction away from the disk 26, the plate-shaped regulating member 84 is disengaged from the convex portion 26c of the disk 26, and when the lever 51 is not operated, the plate-shaped regulating member 80 The member 84 is moved in the direction approaching the disk 26, and the plate-shaped regulating member 84 and the disk can be engaged with each other. By using a plate-shaped regulating member, the vibration of the earthquake can be reliably achieved with a simple configuration. , The movement of the unit moving shelf 2 can be suppressed.

In the first embodiment and the second embodiment of the present invention, when the lever portion 51 provided on the handle portion 11 of one unit moving shelf 2 is gripped toward the handle portion 11, the unit moving shelf 2 When the vibration control device 69 is in the vibration control released state and the lever 51 is released from the gripped state, the vibration control device 69 of the unit movable shelf 2 is set to be in the vibration control state. When the lever portion 51 provided on the handle portion 11 of one unit moving shelf 2 is gripped, the state is detected by an electric signal or the like, and a signal is sent to the vibration control device 69 of a plurality or all of the unit moving shelves 2, When the vibration control device 69 is electrically operated to release the vibration control, and when the lever 51 of one unit moving shelf 2 is released, the release state is detected by an electric signal or the like. Alternatively, the vibration control devices 69 of all the unit movable shelves 2 are electrically operated to bring the vibration control state. It may be so.
By operating the handle unit 11 of one unit moving shelf 2 in this way, the vibration control device 69 of the other unit moving shelf 2 is set to the vibration damping state / the vibration damping release state, The different unit moving shelves 2 can be moved at the same time, and the whole unit can be brought into the vibration control state by one operation.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various design changes can be made without departing from the gist of the present invention. In addition, for convenience of explanation, the left and right arrangement of the illustrated embodiment has been described. However, even if the left and right arrangement is different, it is included in the present invention as long as it is within the gist of the invention.

1 ... moving shelf device, 2 ... unit moving shelf,
11 ... handle part, 12 ... axle, 13 ... running wheel, 18 ... floor, 19 ... running rail,
20: Vibration control device, 21: Vibration control unit, 22: Vibration control unit bracket, 23: Axis, 24: Bearing, 25: Rotary damper, 26: Disk, 26a: Main body, 26c: Convex,
30: clutch hook, 30a: long arm, 30b: short arm, 30d: insertion hole, 30e: engagement pin,
40: rotational force transmission mechanism, 41: axle sprocket, 42: pivot sprocket, 43: rotational force transmission chain,
50: regulating member operation mechanism, 51: lever part, 54: lever bracket, 56: spring,
60 ... regulating member operation part, 61 ... link member, 62 ... support shaft, 63 ... connecting rod, 64 ... pressing piece,
69: vibration control device, 70: vibration control unit, 71: vibration control unit bracket, 80: control member operation section, 81: link member, 82: support shaft, 83: connecting rod, 84: plate-shaped control member.

Claims (6)

A handle unit (11) provided on a passage-side surface and a traveling shelf (13) provided with a traveling wheel (13), in a vibration control device of a moving shelf moving on a traveling rail (19) laid on a floor (18),
A pivot (23) rotatably supported on the movable shelf (2),
A torque transmitting mechanism (40) for transmitting power between the pivot (23) and the traveling wheel (13),
A rotation suppressing mechanism (25) attached to the pivot (23) and suppressing rotation of the pivot (23),
A regulated member (26) attached to the rotation suppressing mechanism (25) and rotating integrally with the rotation suppressing mechanism (25),
A regulating member (30, 84) that engages with or disengages from the regulated member (26) and sets the rotation of the regulated member (26) to a stopped state or a non-stop state.
A regulating member operation mechanism (50) for engaging and disengaging the regulating member (30, 84) with the regulated member (26),
The regulating member operation mechanism (50),
A lever part (51) provided on the handle part (11),
An urging member (56) for urging the lever portion (51) in a direction that is constantly separated from the handle portion (11);
When the lever portion (51) is in the operating state, the regulating member (30) and the regulated member (26) are in the engaged state, and when the lever portion (51) is in the non-operating state, the regulating member ( A vibration control device for a movable shelf, comprising: a regulating member operating section (60, 80) for disengaging the regulated member (26) with the regulated member (26).   The rotation suppressing mechanism (25) is filled with oil therein, is fixed to the regulated member (26), and rotates integrally with the case (25a) .The case (25a) is housed in the case (25a), and the pivot ( The vibration damping device for a movable shelf according to claim 1, wherein the vibration damper (25) includes a rotor (25b) that rotates integrally with the rotor (23).   The regulated member (26) has a plurality of protrusions (26c) on the periphery, and a disc-shaped member (26) whose center of rotation (C2) coincides with the center of rotation (C1) of the pivot (23). The vibration control device for a movable shelf according to claim 1 or 2, wherein: The regulating member (30) has a short arm (30b), a long arm (30a) extending at an angle to the short arm (30b), and the long arm (30a) A hook member (30) including an engagement projection (30e) projecting toward the disc-shaped member (26),
The hook member (30) is adjacent to the disc-shaped member (26), and the short arm portion (30b) is larger than the long arm portion (30a) in the left-right direction in the axial view of the pivot (23). To be close to the pivot (23), it is swingably supported at a connection portion between the short arm (30b) and the long arm (30a),
In the operating state of the lever portion (51), the top surface of the short arm portion (30b) is pressed by the regulating member operation portion (60), and the protrusion of the hook member (30) and the disc-shaped member (26) is performed. Part (26c) is in the disengaged state,
In a non-operating state of the lever portion (51), the pressing of the regulating member operating portion (60) on the top surface of the short arm portion (30b) is released, and the hook member (30) and the disc-shaped member ( The vibration control device for a movable shelf according to claim 3, wherein the convex portion of (26) is in an engageable state. The regulating member is a plate-shaped regulating member (84),
In the operating state of the lever portion (51), the plate-shaped regulating member (84) is moved in a direction away from the disc-shaped member (26) by the regulating member operating portion (80), and the plate-shaped regulating member ( 84) and the convex portion (26c) of the regulated member (26) are released.
In a non-operation state of the lever portion (51), the plate-shaped regulating member (84) is moved in a direction approaching the disc-shaped member (26) by the regulating member operating portion (80), and the plate-shaped regulating member is moved. The vibration control device for a movable shelf according to claim 3, wherein the member (84) and the disc-shaped member (26) can be engaged with each other.   The regulating member operating portion (60, 80) includes a link member (61, 81) that swings by movement of the lever portion (51) in a direction to move toward or away from the handle portion (11), and the link member. A regulating member operating member (83) for bringing the regulated member (26) and the regulating member (30, 84) into an engageable state / disengagement state according to the swing of (61, 81). The vibration control device for a movable shelf according to any one of claims 1 to 5, wherein

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